Let’s dig into the relative performance of ATI (NYSE: ATI) and its peers as we unravel the now-completed Q4 aerospace earnings season.

Aerospace companies often possess technical expertise and have made significant capital investments to produce complex products. It is an industry where innovation is important, and lately, emissions and automation are in focus, so companies that boast advances in these areas can take market share. On the other hand, demand for aerospace products can ebb and flow with economic cycles and geopolitical tensions, which can be particularly painful for companies with high fixed costs.

The 15 aerospace stocks we track reported a strong Q4. As a group, revenues beat analysts’ consensus estimates by 2.7% while next quarter’s revenue guidance was in line.

While some aerospace stocks have fared somewhat better than others, they have collectively declined. On average, share prices are down 1.1% since the latest earnings results.

ATI (NYSE: ATI)

With its materials flying in nearly every commercial and military aircraft in service today, ATI (NYSE: ATI) produces highly specialized materials and components for aerospace, defense, medical, and energy applications using advanced metallurgy and manufacturing processes.

ATI reported revenues of $1.18 billion, flat year on year. This print fell short of analysts’ expectations by 0.5%, but it was still a strong quarter for the company with an impressive beat of analysts’ adjusted operating income and EPS estimates.

"As we projected, we finished 2025 with strong momentum, exceeding the upper range of our fourth quarter and full-year earnings and cash flow guidance. Demand for ATI's differentiated products and solutions continues to be robust as we support our customers' production ramps and critical missions. I am more confident than ever in ATI's position as an integral part of our customers' supply chains," said Kimberly A. Fields, President and CEO.

Interestingly, the stock is up 20.9% since reporting and currently trades at $147.25.

We think ATI is a good business, but is it a buy today? Read our full report here, it’s free.

Best Q4: Boeing (NYSE: BA)

One of the companies that forms a duopoly in the commercial aircraft market, Boeing (NYSE: BA) develops, manufactures, and services commercial airplanes, defense products, and space systems.

Boeing reported revenues of $23.95 billion, up 57.1% year on year, outperforming analysts’ expectations by 6.9%. The business had an incredible quarter with a beat of analysts’ EPS and EBITDA estimates.

Boeing scored the fastest revenue growth among its peers. Although it had a fine quarter compared to its peers, the market seems unhappy with the results as the stock is down 14.6% since reporting. It currently trades at $212.23.

Is now the time to buy Boeing? Access our full analysis of the earnings results here, it’s free.

Weakest Q4: AerSale (NASDAQ: ASLE)

Providing a one-stop shop that integrates multiple services and product offerings, AerSale (NASDAQ: ASLE) delivers full-service support to mid-life commercial aircraft.

AerSale reported revenues of $90.94 million, down 4% year on year, falling short of analysts’ expectations by 8.8%. It was a disappointing quarter as it posted a significant miss of analysts’ revenue and adjusted operating income estimates.

AerSale delivered the weakest performance against analyst estimates and slowest revenue growth in the group. As expected, the stock is down 11.5% since the results and currently trades at $6.48.

Read our full analysis of AerSale’s results here.

Ducommun (NYSE: DCO)

California’s oldest company, Ducommun (NYSE: DCO) is a provider of engineering and manufacturing services for high-performance products primarily within the aerospace and defense industries.

Ducommun reported revenues of $215.8 million, up 9.4% year on year. This number missed analysts’ expectations by 0.8%. More broadly, it was actually a very strong quarter as it recorded an impressive beat of analysts’ EBITDA estimates.

The stock is up 2.6% since reporting and currently trades at $130.06.

Read our full, actionable report on Ducommun here, it’s free.

Rocket Lab (NASDAQ: RKLB)

Becoming the first private company in the Southern Hemisphere to reach space, Rocket Lab (NASDAQ: RKLB) offers rockets designed for launching small satellites.

Rocket Lab reported revenues of $179.7 million, up 35.7% year on year. This print surpassed analysts’ expectations by 1.4%. Overall, it was a strong quarter as it also logged an impressive beat of analysts’ EBITDA estimates.

The stock is down 7.1% since reporting and currently trades at $67.52.

Read our full, actionable report on Rocket Lab here, it’s free.

Market Update

Late in 2025 into early 2026, there was hand wringing around artificial intelligence. For software companies, the fear was that AI would erode pricing power and compress margins as new tools made it easier to replicate what once required expensive enterprise platforms. Crypto investors had their own version of the same anxiety: if AI agents could trade, allocate capital, and manage wallets autonomously, what exactly was the long-term value of today’s crypto infrastructure?

These concerns triggered a noticeable rotation away from these sectors and into safer havens. But markets rarely dwell on one narrative for long. Spring 2026 came, and the focus shifted abruptly from technological disruption to geopolitical risk. The US’ conflict with Iran became the dominant driver of market psychology, and when geopolitics takes center stage, the script changes quickly. Investors stop debating growth rates and start worrying about oil supply, inflation, and global stability.

Want to invest in winners with rock-solid fundamentals? Check out our Top 5 Quality Compounder Stocks and add them to your watchlist. These companies are poised for growth regardless of the political or macroeconomic climate.